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Standard Series Pipe & Tubing Polypropylene Support Clamp, Single Weld Plate, Hex Head Bolts With Cover Plate, 21.3 mm mm Size

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Description & Features

The STAUFF Standard Series Support Clamp 6100082100 is crafted for precise support of pipe and tubing with outside diameters from 1/4" to 4". This model is outfitted with a single weld plate hex head bolts and a cover plate ensuring stability and secure fastening.

The material options for the clamps include polypropylene polyamide and aluminum each chosen for their specific properties suitable for varied industrial environments. The recommended spacing for pipes and tubing differs by size optimizing the structural integrity of installations.

Temperature ranges for the materials are: Polypropylene -22deg;F to 194deg;F Polyamide -40deg;F to 284deg;F and Aluminum -40deg;F to 500deg;F. The product also features a rail mounting style available for all sizes catering to diverse assembly requirements.

The recommended spacing for pipes is: 1/4in=3FT 3/8in=4FT 1/2in=4FT 3/4in=5FT 1in=7FT 1-1/4in=8FT 1-1/2in=9FT 2in=10FT 2-1/2in=11FT 3in=12FT.

For tubing the recommended spacing is: 1/4in-1/2in=3FT 5/8in-7/8in=4FT 1in=5FT 1-1/4in-1-1/2in=7FT.

MPN: 6100082100

Supplier Part Number: 6100082100

Specifications

B2
1.18
Body I.D.
Profiled
Brand
Stauff Corporation
Brand
Stauff Corporation
Pack Size
1.00
UOM
EA
Group
3
H1
2.28
H3
0.83
Materials
Polypropylene
Package Qty.
1
Pipe Size
0.50
Size
21.3 mm
Supplier Part Number
6100082100
Thread Sealant
No
Alternate Part Numbers
Alternate Part Number C1EF15, Alternate Part Number C1ML81, Alternate Part Number SP-321, Alternate Part Number 3-PP-DP-AS-U-W10#K, Alternate Part Number SP-321.3-PP-DP-AS-U-W10-K, Alternate Part Number SP3213PPDPAS-BAG/TAG, Alternate Part Number SP3213PPDPASUW10#K, Alternate Part Number SP3213PPDPASUW10K, Alternate Part Number STNA11157
Product Weight
0.35 lbs

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Product Questions & Answers (3)

Question by: Jerry B on Dec 30, 2025, 5:46 PM
got a 21.3 mm line, is this clamp meant for that exact outside diameter or am i supposed to convert it to inches first
Answer by: Customer Support on Jan 1, 2026, 11:37 AM
For sizing, the clamp is based on outside diameter, and this one is listed as 21.3 mm size. If you prefer inch sizing, the note provided is mm size x 0.03937 = inch size, which puts 21.3 mm at about 0.84 inch OD.
Question by: Dean T on Nov 16, 2025, 7:05 PM
What's the temperature limit on these polypropylene clamps? Got some lines running near equipment that throws off a fair amount of heat and want to make sure they hold up.
Answer by: Customer Support on Nov 18, 2025, 9:40 AM
Polypropylene tops out at 194°F on the high end and goes down to -22°F on the cold side. If your lines are sitting close to heat sources that push past that, the polyamide version handles up to 284°F, and aluminum goes all the way to 500°F. Worth picking the material that matches what those lines actually see in service.
Question by: Randy F on Apr 4, 2026, 11:02 AM
What size pipe does this clamp hold? I'm seeing both metric and inch measurements.
Answer by: Customer Support on Apr 5, 2026, 11:08 AM
It's designed for pipes with an outside diameter of 21.3 mm, which is approximately equivalent to a 1/2 inch pipe size. Check your pipe's OD to make sure it matches.